Ralph Bellamy as Slick Rawley / Dr. James Blake

Marian Marsh as Janet Haydon

Thurston Hall as Dr. Schuyler

Isabel Jewell as Peggy Russell

Nana Bryant as Mrs. Schuyler

Ward Bond as Gloves Baker

Henry Kolker as Judge Treacher

Willard Robertson as Logan

Beatrice Curtis as Inmate (uncredited)

Mary Lou Dix as Inmate (uncredited)

Ann Doran as Nurse Cameron (uncredited)

Betty Farrington as Head Matron (uncredited)

Edward Keane as Police Commissioner (uncredited)

Edward LeSaint as Courtroom Judge (uncredited)

Bruce Mitchell as Cleary (uncredited)

Bert Moorhouse as Carney (uncredited)

G. Raymond Nye as Fingerprint Man (uncredited)

Nell Roy as Inmate (uncredited)

Kathrin Clare Ward as Aggie (uncredited)